889125215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1\times {\mathrm{8087}}^1$

素因数の和:10102

約数の個数: 16

約数和(自身を含む): 1164672000

約数和(自身を除く): 275546785

約数列:

[1, 5, 11, 55, 1999, 8087, 9995, 21989, 40435, 88957, 109945, 444785, 16165913, 80829565, 177825043, 889125215]

約数ペア:

[(1, 889125215), (5, 177825043), (11, 80829565), (55, 16165913), (1999, 444785), (8087, 109945), (9995, 88957), (21989, 40435)]